Viltrox AF 9mm F2.8 XF 9mm
Sigma Art 24-70mm F2.8 DG DN Art
What Buyers Say
Viltrox AF 9mm F2.8 XF 9mm
The Viltrox lenses receive overwhelmingly positive feedback for their exceptional value, sharp image quality, and solid build. Users praise the fast apertures and autofocus performance, though some note issues with chromatic aberration in high-contrast scenes and noisy autofocus on certain models. Overall, these lenses are seen as a budget-friendly alternative that punches above their price point.
Pros
- Excellent value for money
- Sharp image quality wide open
- Solid metal construction
- Fast and accurate autofocus
- Pleasing bokeh
Cons
- Chromatic aberration in high contrast
- Noisy autofocus in video
- Slow autofocus in low light
- No weather sealing
- Front-heavy on small bodies
Sigma Art 24-70mm F2.8 DG DN Art
The Sigma 24-70mm f/2.8 Art lens receives largely positive feedback for its sharp optics, solid build, and excellent value compared to OEM alternatives. Many users praise its image quality, especially in the center, and appreciate the included image stabilization. However, some reviewers report inconsistent autofocus, requiring micro-adjustments or the USB dock for calibration, and note that the lens is significantly heavy. A few copies exhibited soft corners or front/back focus issues.
Pros
- Sharp optics
- Solid build quality
- Great value for money
- Effective image stabilization (OS)
- Fast and quiet autofocus
Cons
- Heavy weight
- Inconsistent autofocus
- Soft corners at some focal lengths
- Needs micro-adjustment or USB dock for calibration
- Front/back focus issues on some copies
Scores
Specifications
| Viltrox AF 9mm F2.8 XF 9mm | Sigma Art 24-70mm F2.8 DG DN Art | |
|---|---|---|
| Optics | ||
| Type | wide-angle | zoom |
| Focal Length Min | 9 mm | 24 mm |
| Focal Length Max | 9 mm | 70 mm |
| Elements | 13 | 19 |
| Groups | 11 | 15 |
| Aspherical Elements | 2 | 4★ |
| ED Elements | 3 | 3 |
| Coating | HD multilayer nano coating | Super Multi-Layer Coating |
| Aperture | ||
| Max Aperture | f/2.8 | f/2.8 |
| Min Aperture | f/2.8 | f/2.8 |
| Constant | ✓ | ✓ |
| Diaphragm Blades | 7 | 9★ |
| Build | ||
| Mount | Fujifilm X | Sony E |
| Format | APS-C | full-frame★ |
| Weather Sealed | ✗ | ✓★ |
| Weight | 0.17 kg★ | 1.02 kg |
| Filter Thread | 58 mm | 82 mm |
| AF & Stabilization | ||
| AF Type | STM★ | HSM |
| Stabilization | ✓ | ✓ |
| Stabilization Stops | — | 4 stops★ |
| Focus | ||
| Min Focus Distance | 130 mm★ | 170 mm |
| Max Magnification | 1:6.66 | 1:2.7 |
Pros & Cons
Viltrox AF 9mm F2.8 XF 9mm
- Strong macro (89th percentile)89th %ile
- Strong build (87th percentile)87th %ile
- Strong social proof (86th percentile)86th %ile
- Strong aperture (86th percentile)86th %ile
- Below average versatility (34th percentile)
Sigma Art 24-70mm F2.8 DG DN Art
- Strong optical (98th percentile)98th %ile
- Strong social proof (94th percentile)94th %ile
- Strong stabilization (93rd percentile)93rd %ile
- Strong bokeh (89th percentile)89th %ile
Pricing
Viltrox AF 9mm F2.8 XF 9mm
No current pricing available
Sigma Art 24-70mm F2.8 DG DN Art
Verdict
Scores 97 overall, wins 5 of 9 usage categories and 5 of 22 specs.